var a=10/'a';
console.log(a);
console.log(typeof(a));
console.log(isNaN(a));
var b=10/0;
console.log(b);
console.log(typeof(b));
console.log(isFinite(b));
var c=`
    <ul>
        <li>terry</li>
        <li>larrt</li>
        <li>tom</li>
    </ul>
`;
console.log(c);
